a-a a-b aaa aab aao aar aav aax ab- aba abb abo abr abv abx aoa aob aoo aor aov aox ar- ara arb aro arr arv arx av- ava avb avo avr avx ax- axa axo axr axv axx baa bab bao bar bav bax bba bbb bbo bbr bbx boa bob boo bor bov box bra brb bro brr brv brx bva bvb bvo bvr bvv bxb bxo bxx oaa oab oao oar oav oax ob- oba obb obo obr obv obx oo- ooa oob ooo oor oov oox or- ora orb oro orr orv orx ov- ova ovb ovo ovv ox- oxa oxb oxo oxx ra- raa rab rao rar rav rax rba rbb rbo rbr rbx roa rob roo ror rov rox rra rrb rrr rva rvb rvo rvr rvv rxr v-a vaa vab vao var vav vax vba vbo vbr vbv voa vob voo vor vov vox vra vrb vrr vva vvb vvo vvr vvv vxa vxr vxv xaa xar xav xbr xbx xoa xoo xor xov xox xrx xxo xxv xxx

aaaa aaab aaar aaav aaba aabb aaoo aara aaro aava abaa abab abar abax abb- abba abbb abbo abbr aboa abob aboo abor abov abox abra abro abva aoba aora aorb arab arar arax arba aroa arob aroo aror arr- arra arro arrr arva arvo avab avao avar avax avor avra avro avva avvo axar axo- axoa axxo ba-x baaa baar baba babb babo babr bar- bara barb baro barr barx bava bbbb bbox boab boar boba bobb bobo boob boor boox bor- bora boro borr bova bovo boxa brab brao brav brax broa brob broo bror brox brrr oara obba obbo obor obox obra obro ooaa ooba oooo oora orab orao orar orav orba orbb orbo oro- oror orra orro orvr ovar ovo- ovoo ovra oxa- oxo- oxox oxxo raab raba rabb rabo raob rara rarb raro rava raxa rbbb rbbr roab roar rob- roba robb robo roob roor roox rora roro rova rovo roxa roxo rrrr vaar vara varr vava voar voor vor- vora voro voxx vrav vrba vvob vvvv xaar xara xbar xbox xbra xoro xoxo xxxo xxxv xxxx

-aaa- a-box aabaa aabba aabra abaab ababa abara abava abbar aboab abobo abora abovo abrar ar-ab arab- araba arabo arara arava araxa arbab arbar arbor aroab aroar aroba aroor arora arvar avara avaro baava babar babax baboo babra baoro bar-x baraa barab barao barar barba baro- baroa baroo baror barra barro barva bavar bavra bo-bo boaro bobar bobov bobr booba boora borax borba borbo boro- boroa boroo borov borox borra borro borvo brava bravo brobo brora brova broxa brrar brrrr o-r-b oaror obaba obara obava obora oboro obrab obrov obrva ooooo oovoo oraba orara orava orobo orvar ovar- ovaro ra-ra raaba raaor rabab rabba rabor ravar raxar ro-ro robab robar robbo robo- robor rooba rorra v-bob v-bor vaara varab varbo varor varra varro varva vavar vavra vorab vorax vorra vrbov x-bar x-box xbxrx xorro xoxox

aaaaba aabroo abaroa abobra arabo- arabov ararao arbra arraba arroba avrora baabaa baabar baaror babbar babovo baobab bar-or barara barbar barbra barbro barovo barrax bavaro bbbbbb boabab bobara bobbar bobova bobovo bobrov booboo boraxo borbor bororo borova borovo bovara oooooo orbara rababa rabovo ravoor robovo vaovao varbar varrar varroa varvar vrbovo vvvvvv xarxar xoxoxo

arabbox araroba arrorro baabarr baraboo barabra barbara barbaro barbora barobax bavorov bbbbbbb bobbarr bobrova boo-boo boorara brabova o-o-a-a obox-ob oroboro oxara oxoboxo rababoo rabrovo roboboa roo-bar roobarb roxboro varvara vavrova xxxxxxx

bar-abba barabara barabora bbbbbbbb bo-bo-bo bobaraba borabora varavoor vorbarra vorovoro xoxoxoxo

baabaabaa barrabora borborbor

xxxxxxxxxxxx

aaaaaaaaaaaaaaa bbbbbbbbbbbbbbb rrroooaaarrr